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Finding the Fourth Proportional to 40,695, 56,154.36 and 23,702.97

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Solution

The fourth proportional to 40,695, 56,154.36 and 23,702.97 is: 32,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,695 : 56,154.36 = 23,702.97 : x
  2. Step 2: Convert to fraction form
    40,695/56,154.36 = 23,702.97/x
  3. Step 3: Cross multiply
    40,695x = 56,154.36 × 23,702.97
  4. Step 4: Simplify right side
    40,695x = 1,331,025,110.45
  5. Step 5: Solve for x
    x = 1,331,025,110.45/40,695
  6. Step 6: Final answer
    x = 32,707.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.